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RISS 인기검색어
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- 저자 : 박석순 김경민 김이형 안규홍 이창희 전상호 주현종 최계운 하성룡 이기영(Ki-Young Lee) (검색결과 1 건)
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박석순,김경민,김이형,안규홍,이창희,전상호,주현종,최계운,하성룡,이기영(Ki-Young Lee) 경기연구원 2007 위탁연구 Vol.2007 No.12
This study intends to evaluate the current status of water quality management in the Lake Paldang and to suggest the role of Gyeonggi Province to improve the water quality. The characteristics of Lake Paldang and pollutant sources in the watershed should be examined in the scientific manner and the efficient strategies to control point and non-point pollutants need to be identified. Nine research issues, such as water intake, regulation and policy improvement, and water quality improvement were studied. The first chapter explains research goal and outline and other chapters introduce the research results regarding nine issues. The first issue (chapter 2) is to investigate feasibility of relocating current water intake sites to northern part of the Lake Paldang. The scenario that all three current intake sites move to the northern part was tested with computer model and the simulation result showed that intake water quality became improved comparing with current status. In chapter 3 the strategies to introduce mandatory Total Maximum Daily Load (TMDL) in upper Paldang watershed are evaluated. Also for the successful operation integrating management system instead of current separate management system are recommended. The third issue (chapter 4) is to evaluate the methods for indirect intake to diversify sources for water supply. Korean-style indirect intake was suggested and indirect intake such as bank filtration was considered as alternative to solve troubles between upstream residents and downstream residents. In chapter 5 feasibility for artificial wetland to improve water quality of Gyeongan Stream were examined. The HSPF model simulation and GIS were used to develop the suitability map of artificial wetland and scenarios with locating artificial wetlands in the study area results in obtaining better water quality in Gyeongan Stream. The fifth issue (chapter 6) is to suggest how to improve land use policy considering the Paldang water quality management. This study emphasized that connection (or comprehensive communication) among strategies for water quality management is necessary. Also in the water management planning stage enough discussion with other administrative organizations which control various management plans including urban planning, water supply planning, dam construction planning, water demand management planning, groundwater management planning, air quality improvement planning, are required. The sixth issue (chapter 7) is to investigate the effects of coordinated multi reservoir operation in terms of Paldang Lake's water quality. This study suggested that we would be able to estimate required instream flow based on initial water level of upper reservoir and determine available river discharge for improving water quality. The seventh issue being dealt in chapter 8 is to study strategy for town sewerage and private sewerage to improve Paldang water quality. This study suggested us to set optimal management system such as cooperating among water-associated departments in Gyeonggi Province, establishing the engineer organization to evaluate water treatment technique, and developing professional education program to improve water treatment technique. In chapter 9 strategies for non-point sources management associated with introducing TMDL were established. This study indicated various technical approaches as well as administrative approaches for non-point sources management under the conclusion that overlapping regulation in Paldang watershed is closely related with land use in the watershed. The ninth issue is to evaluate feasibility of strategies provided by Central Government for solving Paldang Lake's turbid-water and to suggest improvement. Several strategies for improving the lake's turbid water were suggested such as source control, land use change from high erodible farm to forest, financial incentive for residents who follow Government's guideline.
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